Page 14 Advertisement 1

Radio Record, Volume I, Issue 5, 19 August 1927, Page 14

RADIO 4 S ENSATIO N INCREASED SELECTIVITY GREATER DISTANCE MORE VOLUME BETTER TONAL QUALITY CARBORUNDUM DETECTORS AND STABILISING UNITS. Cen be u8ed 0n any' get from cryetal book-up to Guper outbt: Oecrg o1 Carborundum Detectors In crystal wcts nave reached out to Btationg 1,100 mlleg away, and get peroct reception at 200 mllea: Also stocked: the world-famous HELLESEN HIGH TENSION RADIO BA TTERIES. Fall perticularg end prlceb trom JOHN CHAMBERS a SON LTD: WELLINGTON; ALBO AT: 'Auckland, Chrlatchurch, Dunellln end Invoroargill;